AlPcS4 or AlS4Pc

AlPcS4 , also known as aluminum phthalocyanine tetrasulfonate Chloroaluminum tetrasulfophthalocyanine; or AlS4Pc, AlPcS4(a), is a potent photosensitizer, and is potentially useful in cancer sonodynamic therapy and cancer photodynamic therapy. Aluminum phthalocyanine disulfonate is a mixture of regional isomers, in which sulfonate group can be in 3- or 4- position in phenyl ring. Aluminum phthalocyanine disulfonate is also a Coloring Agent; Dermatologic Agent; Fluorescent Dye; Indicators and Reagent; Luminescent Agent; Photosensitizing Agent; Radiation-Sensitizing Agent.